From 0e0a675f3518915b58a802d58be2f1c77850cc2e Mon Sep 17 00:00:00 2001
From: Pavel Karpy <carpawell@nspcc.ru>
Date: Thu, 3 Mar 2022 16:34:08 +0300
Subject: [PATCH] [#1212] morph: Fix NPE in multi client

Share multi cache between single clients.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
---
 pkg/morph/client/constructor.go | 10 +++++-----
 pkg/morph/client/multi.go       |  3 +++
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/pkg/morph/client/constructor.go b/pkg/morph/client/constructor.go
index 410c6383d..760bf4a67 100644
--- a/pkg/morph/client/constructor.go
+++ b/pkg/morph/client/constructor.go
@@ -92,12 +92,12 @@ func New(key *keys.PrivateKey, endpoint string, opts ...Option) (*Client, error)
 	endpoints := append(cfg.extraEndpoints, endpoint)
 
 	return &Client{
-		cache: initClientCache(),
 		multiClient: &multiClient{
-			cfg:       *cfg,
-			account:   wallet.NewAccountFromPrivateKey(key),
-			endpoints: endpoints,
-			clients:   make(map[string]*Client, len(endpoints)),
+			cfg:         *cfg,
+			account:     wallet.NewAccountFromPrivateKey(key),
+			endpoints:   endpoints,
+			clients:     make(map[string]*Client, len(endpoints)),
+			sharedCache: initClientCache(),
 		},
 	}, nil
 }
diff --git a/pkg/morph/client/multi.go b/pkg/morph/client/multi.go
index 56b08633a..1a14fb963 100644
--- a/pkg/morph/client/multi.go
+++ b/pkg/morph/client/multi.go
@@ -15,6 +15,8 @@ type multiClient struct {
 
 	sharedNotary *notary // notary config needed for single client construction
 
+	sharedCache cache
+
 	endpoints  []string
 	clientsMtx sync.Mutex
 	clients    map[string]*Client
@@ -41,6 +43,7 @@ func (x *multiClient) createForAddress(addr string) (*Client, error) {
 	sCli.notary = x.sharedNotary
 
 	c := &Client{
+		cache:        x.sharedCache,
 		singleClient: sCli,
 	}